What really frustrates an adversary? Eight Cisco Talos researchers share practical ways to make their next move slower and riskier. From deception and…
Category: Cisco Talos Blog
China-nexus UAT-11587 targets government and policy organizations across Asia with Antino backdoor
Cisco Talos uncovered a cluster of activity we track as UAT-11587 targeting government and policy organizations across Asia, including in Taiwan, India,…
Give yourself room to be human
In this week’s edition, Amy reflects on the importance of prioritizing family and personal well-being over the pressure to remain constantly productive.
Securing the keys to the kingdom: Announcing Executive Threat Detection
This new proactive service joins the suite of retainer offerings to provide dedicated, intelligence-led hunting specifically for your organization’s most…
The Fine Art of Frustrating the Adversary
What really frustrates an adversary? Eight Cisco Talos researchers share practical ways to make their next move slower and riskier. From deception and…
China-nexus UAT-11587 targets government and policy organizations across Asia with Antino backdoor
Cisco Talos uncovered a cluster of activity we track as UAT-11587 targeting government and policy organizations across Asia, including in Taiwan, India,…
Securing the keys to the kingdom: Announcing Executive Threat Detection
This new proactive service joins the suite of retainer offerings to provide dedicated, intelligence-led hunting specifically for your organization’s most…
Trust and the enticing consultancy offer
In this week’s newsletter Martin muses over a very suspicious elicitation over social media and the true value of trust within the cyber ecosystem. Hubris…
The Closed Quorum: Inside the first reported autonomous AI C2 implant
CLOSEDQUORUM, a malware binary discovered through Cisco Talos’ CAIRN project, exhibits fully autonomous command and control (C2). It represents a shift in…
Introducing CAIRN: Frontier tracking for AI-integrated malware
Talos is releasing CAIRN, a research toolkit for hunting, classifying, and tracking emerging AI-integrated malware.
The Closed Quorum: Inside the first reported autonomous AI C2 implant
CLOSEDQUORUM, a malware binary discovered through Cisco Talos’ CAIRN project, exhibits fully autonomous command and control (C2). It represents a shift in…
Introducing CAIRN: Frontier tracking for AI-integrated malware
Talos is releasing CAIRN, a research toolkit for hunting, classifying, and tracking emerging AI-integrated malware.
Securing the unpatchable in an age of AI-driven vulnerabilities
Advances in AI technology will continue to identify vulnerabilities that in some circumstances are difficult, or effectively impossible, to patch.…
Should you care about an “AI slowdown?”
In this week’s Threat Source, David talks about why focusing on your security basics is still your best bet, even in a world with rapid AI advancements.
Ransomware incidents in Japan in the first half of 2026: Investigation of The Gentlemen’s infrastructure and evidence of Qilin’s AI use
Ransomware incidents in Japan rose 4.7% year over year. The Gentlemen was the most active group, with leak-site listings more than doubling from January…
Securing the unpatchable in an age of AI-driven vulnerabilities
Advances in AI technology will continue to identify vulnerabilities that in some circumstances are difficult, or effectively impossible, to patch.…
Active exploitation of Cisco Secure Firewall Management Center vulnerabilities
Cisco Talos is actively tracking the exploitation of two vulnerabilities in Cisco’s Secure Firewall Management Center (FMC) Software.
We’ve got one word for it, and it’s usually the wrong one
In this week’s Threat Source newsletter, Joe explores why the word “burnout” often fails to capture the true toll of working in the cybersecurity industry…
ClearFake WebDAV infection chain delivers Amatera stealer, ZigCryptoStealer, and NetSupport Manager
We assess with moderate confidence that the attacks are not targeted at a particular organization, but are a part of a cryptocurrency and…
ClickFix moves into the browser: Cryptocurrency theft with Google-hosted C2
Cisco Talos is tracking a cryptocurrency-stealing campaign that abuses the Google Visualization API for command and control (C2), retrieving obfuscated…